Fire extinguishing system for energy storage cabinet and energy storage power station

Abstract

The utility model provides a fire extinguishing system for an energy storage cabinet and an energy storage power station. The fire extinguishing system for the energy storage cabinet includes: a system controller, which is communicatively connected to the fire protection system of the energy storage cabinet; a water storage structure; an automatic detaching device, which is communicatively connected to the system controller, and the automatic detaching device can detach the cable connected between the energy storage cabinet and other equipment from the connection position; and a shifting mechanism, which forms a matching relationship with the energy storage cabinet, and the shifting mechanism can make the energy storage cabinet fall into the water storage structure after the cable is detached from the connection position, and the water in the water storage structure can immerse at least part of the energy storage cabinet. The fire extinguishing system for the energy storage cabinet of the technical solution of the utility model can solve the problem that after a fire occurs in the energy storage system and the fire develops violently, the existing fire extinguishing method cannot play an effective fire extinguishing effect, causing loss of life and property.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage cabinets, and in particular to a fire extinguishing system for energy storage cabinets and an energy storage power station. Background Art

[0002] As the installed capacity of energy storage increases, the energy density of the battery cabinets of the energy storage system is also increasing, and the fire risks and hazards caused by thermal runaway and short circuits of the battery cells are also increasing. At present, energy storage battery cabinets mainly rely on gas firefighting such as heptafluoropropane and perfluorohexanone or water spraying to extinguish fires. In the early stages of a fire, it can have a certain fire extinguishing effect. However, when the fire develops violently, it cannot effectively extinguish the fire and cannot effectively reduce the temperature of the battery. There is a risk of secondary deflagration and explosion, which endangers the safety of personnel. At the same time, it will also endanger the safety of adjacent equipment in the power station, causing loss of life and property. Utility Model Content

[0003] The main purpose of the utility model is to provide a fire extinguishing system for an energy storage cabinet and an energy storage power station, which can solve the problem that after a fire occurs in the energy storage system and the fire develops violently, the existing fire extinguishing methods cannot effectively extinguish the fire, causing loss of life and property.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a fire extinguishing system for an energy storage cabinet is provided, comprising: a system controller, which is communicatively connected to the fire protection system of the energy storage cabinet; a water storage structure; an automatic detaching device, which is communicatively connected to the system controller, and can detach a cable connected between the energy storage cabinet and other equipment from a connection position; and a shifting mechanism, which forms a matching relationship with the energy storage cabinet, and the shifting mechanism can make the energy storage cabinet fall into the water storage structure after the cable is detached from the connection position, and the water in the water storage structure can immerse at least part of the energy storage cabinet.

[0005] Furthermore, the automatic disengagement device includes a disengagement mechanism, which has a fastened state and a disengaged state. When the disengagement mechanism is in the fastened state, the energy storage cabinet and other equipment are electrically connected via cables. When the disengagement mechanism is in the disengaged state, the cables connected between the energy storage cabinet and other equipment are detached from the connection position.

[0006] Furthermore, the automatic disengagement device also includes an adjustment structure, the disengagement mechanism includes a first component and a second component, the first component has a first hook, the second component has a second hook, and the adjustment structure can disengage the first hook from the second hook.

[0007] Furthermore, the adjustment structure includes an iron core and an induction coil wound around the outer circumference of the iron core. A magnetic structure is arranged on the second component. When the induction coil is energized, the polarity of the iron core and the magnetic structure are the same, so that the second component moves away from the first component.

[0008] Furthermore, the system controller is communicatively connected with the shifting mechanism, and the automatic disengagement device also includes an elastic member and a trigger device, which is communicatively connected with the system controller. When the disengagement mechanism is in a disengaged state, under the elastic force of the elastic member, the first component contacts the trigger device to generate a trigger signal, and the trigger signal enables the system controller to control the shifting mechanism to drop the energy storage cabinet into the water storage structure.

[0009] Furthermore, a trigger rod is provided on the first component, and the trigger device includes an energized circuit and a feedback switch provided on the energized circuit. When the disengagement mechanism is in a disengaged state, under the elastic force of the elastic member, the trigger rod contacts the feedback switch and generates a trigger signal.

[0010] According to another aspect of the utility model, an energy storage power station is provided, comprising: the above-mentioned fire extinguishing system for an energy storage cabinet; a base platform; and at least one energy storage cabinet, the energy storage cabinet comprising a plurality of battery modules, the energy storage cabinet being mounted on the base platform.

[0011] Furthermore, the energy storage power station also includes a converter, the energy storage cabinet is electrically connected to the converter via a cable, and the automatic disconnection device is installed on the energy storage cabinet or the converter.

[0012] Furthermore, the base includes an energy storage cabinet base and a converter base, the energy storage cabinet is installed on the energy storage cabinet base, the converter is installed on the converter base, and the shifting mechanism is installed on the energy storage cabinet base.

[0013] Furthermore, there are multiple energy storage cabinets, bases, converters and shifting mechanisms. Multiple energy storage cabinets are arranged in a one-to-one correspondence with multiple converters, multiple energy storage cabinet bases are arranged in a one-to-one correspondence with multiple energy storage cabinets, multiple converters are arranged in a one-to-one correspondence with multiple converter bases, and at least one shifting mechanism is arranged on each energy storage cabinet base.

[0014] Furthermore, the energy storage cabinet also includes an integrated battery cabinet and converter, the automatic disconnecting device is installed on the energy storage cabinet, one end of the cable is connected to the automatic disconnecting device, and the other end of the cable is connected to other equipment.

[0015] Furthermore, there are multiple bases, energy storage cabinets and shifting mechanisms, and the multiple bases and multiple energy storage cabinets are arranged in a one-to-one correspondence, and each base is provided with at least one shifting mechanism.

[0016] Furthermore, the water storage structure is constructed to cover the entire landing area of ​​the energy storage cabinet, and the water in the water storage structure can completely immerse the energy storage cabinet.

[0017] Furthermore, the energy storage cabinet also includes a fire-fighting system, which includes a detection module, a control module and a fire-fighting device. The detection module is used to detect the internal environmental parameters of the energy storage cabinet. The detection module and the fire-fighting device are both electrically connected to the control module. When the fire-fighting conditions of the fire-fighting device are met, the control module controls the fire-fighting device to extinguish the energy storage cabinet.

[0018] Furthermore, the detection module includes a particle concentration detection device and a temperature detection device connected to the control module.

[0019] The technical solution of the utility model is applied, and a system controller, a water storage structure and an automatic disconnection device are provided. A plurality of battery modules are installed in the energy storage cabinet. When the battery cells of the battery modules are in thermal runaway or short circuit, causing the energy storage cabinet to catch fire, the automatic disconnection device is activated by the system controller to disconnect the cables between the energy storage cabinet and other equipment from the connection position, disconnecting the energy storage cabinet from the other equipment, and then the energy storage cabinet is dropped into the water storage structure through the shifting mechanism. The water in the water storage structure can extinguish the fire and cool down the energy storage cabinet, thereby reducing the risk of secondary deflagration and explosion, and ensuring the life safety of personnel. In addition, the setting of the automatic disconnection device can disconnect the burning energy storage cabinet from other equipment in time, avoid the spread of fire and endanger the equipment connected to the energy storage cabinet, and reduce the loss of life and property. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 A schematic diagram of the structure of an energy storage power station according to an embodiment of the utility model is shown;

[0022] Figure 2 A schematic diagram showing the structure of an energy storage power station according to another embodiment of the utility model; and

[0023] Figure 3 The schematic diagram of the structure of the automatic disengagement device of the embodiment of the utility model is shown.

[0024] The above drawings include the following reference numerals:

[0025] 10. Energy storage cabinet; 20. Water storage structure; 30. Shifting mechanism; 40. Base; 41. Energy storage cabinet base; 42. Converter base; 50. Automatic disengagement device; 51. Disengagement mechanism; 52. Adjustment structure; 521. Induction coil; 522. Iron core; 53. First component; 531. First cable connection part; 532. Trigger rod; 54. Second component; 541. Second cable connection part; 542. Magnetic structure; 55. First hook; 56. Second hook; 57. Elastic member; 58. Trigger device; 581. Power-on circuit; 582. Feedback switch; 60. Converter; 70. Cable; 80. Battery cabinet; 90. System controller. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] See also Figure 1 and Figure 2 As shown, the utility model provides a fire extinguishing system for an energy storage cabinet, which includes: a system controller 90, which is communicatively connected to the fire protection system of the energy storage cabinet 10; a water storage structure 20; an automatic detaching device 50, which is communicatively connected to the system controller 90, and the automatic detaching device 50 can detach a cable 70 connected between the energy storage cabinet 10 and other equipment from a connection position; and a shifting mechanism 30, which forms a matching relationship with the energy storage cabinet 10, and the shifting mechanism 30 can make the energy storage cabinet 10 fall into the water storage structure 20 after the cable 70 is detached from the connection position, and the water in the water storage structure 20 can immerse at least a part of the energy storage cabinet 10.

[0028] In this embodiment, a plurality of battery modules are installed in the energy storage cabinet 10. When the battery cells of the battery modules are in thermal runaway or short circuit, causing the energy storage cabinet 10 to catch fire, the automatic disconnection device 50 can be controlled by the system controller 90 to start, so that the cable 70 between the energy storage cabinet 10 and other equipment is disconnected from the connection position. At this time, the energy storage cabinet 10 is disconnected from the other equipment, and then the energy storage cabinet 10 is dropped into the water storage structure 20 through the shifting mechanism 30. The water in the water storage structure 20 can extinguish the fire and cool the energy storage cabinet 10, thereby reducing the risk of secondary deflagration and explosion, and ensuring the life safety of personnel. In addition, the setting of the automatic disconnection device 50 can disconnect the energy storage cabinet 10 on fire from other equipment in time, avoid the spread of fire and endanger the equipment connected to the energy storage cabinet 10, and reduce the loss of life and property.

[0029] In one embodiment, the displacement mechanism 30 is a catapult device, such as a spring catapult, a pneumatic catapult, an electromagnetic catapult, etc. The water storage structure 20 is a water reservoir.

[0030] See also Figures 1 to 3 As shown, in one embodiment of the utility model, the automatic disengagement device 50 includes a disengagement mechanism 51, and the disengagement mechanism 51 has a fastened state and a disengaged state. When the disengagement mechanism 51 is in the fastened state, the energy storage cabinet and other equipment are electrically connected through a cable. When the disengagement mechanism 51 is in the disengaged state, the cable 70 connected between the energy storage cabinet 10 and other equipment is detached from the connection position.

[0031] In this embodiment, when the disengagement mechanism 51 is in a fastened state, the cable 70 between the energy storage cabinet 10 and other equipment is electrically connected, and the energy storage cabinet 10 can work normally. When the disengagement mechanism 51 is in a disengaged state, the cable connected between the energy storage cabinet 10 and other equipment is disconnected to prevent the fire in the energy storage cabinet 10 from spreading to other equipment connected thereto. At this time, the energy storage cabinet 10 is made to fall into the water storage structure 20 through the shifting mechanism 30 to extinguish the fire and cool down the energy storage cabinet 10.

[0032] See also Figures 1 to 3 As shown, in one embodiment of the utility model, the automatic disengagement device 50 also includes an adjustment structure 52, and the disengagement mechanism 51 includes a first component 53 and a second component 54, the first component 53 has a first hook 55, and the second component 54 has a second hook 56, and the adjustment structure 52 can disengage the first hook 55 from the second hook 56.

[0033] Through the above arrangement, the first member 53 and the second member 54 can be disengaged, that is, the disengagement mechanism 51 is in a disengaged state.

[0034] See also Figures 1 to 3 As shown, in one embodiment of the utility model, the automatic disengagement device also includes a first cable connection portion 531 and a second cable connection portion 541, one end of the first cable connection portion 531 is electrically connected to the first component 53, the other end of the first cable connection portion 531 is electrically connected to the cable inside the energy storage cabinet 10, one end of the second cable connection portion 541 is electrically connected to the second component 54, and the other end of the second cable connection portion 541 is electrically connected to the cable of other equipment located outside the energy storage cabinet 10.

[0035] See also Figures 1 to 3 As shown, in one embodiment of the utility model, the adjustment structure 52 includes an iron core 522 and an induction coil 521 wound around the outer circumference of the iron core 522, and a magnetic structure 542 is provided on the second component 54. When the induction coil 521 is energized, the polarity of the iron core 522 and the magnetic structure 542 are the same, so that the second component 54 moves in a direction away from the first component 53.

[0036] In this embodiment, when the induction coil 521 is energized, the polarity of the iron core 522 and the magnetic structure 542 is the same. According to the principle of like charges repel each other, the second component 54 moves away from the first component 53. At this time, the first hook 55 and the second hook 56 are disengaged, and the disengagement mechanism 51 is in a disengaged state.

[0037] In one embodiment, the induction coil 521 is an electromagnetic coil.

[0038] See also Figures 1 to 3 As shown, in one embodiment of the present invention, the system controller 90 is communicatively connected with the shifting mechanism, and the automatic disengagement device further includes an elastic member 57 and a trigger device 58, and the trigger device 58 is communicatively connected with the system controller 90. When the disengagement mechanism 51 is in a disengaged state, under the elastic force of the elastic member 57, the first component 53 contacts the trigger device 58 to generate a trigger signal, and the trigger signal enables the system controller 90 to control the shifting mechanism 30 to drop the energy storage cabinet 10 into the water storage structure 20.

[0039] In this embodiment, the elastic member 57 is connected between the energy storage cabinet 10 and the first member 53. When the disengagement mechanism 51 is in a fastened state, the first member 53 and the second member 54 are fastened by the first hook 55 and the second hook 56. At this time, the elastic member 57 is in an extended state. When the disengagement mechanism 51 is in a disengaged state, that is, when the first hook 55 and the second hook 56 are disengaged, under the elastic restoring force of the elastic member 57, the first member 53 contacts the trigger device 58 to generate a trigger signal. After the system controller 90 receives the trigger signal, the system controller 90 controls the shifting mechanism 30, and the shifting mechanism 30 causes the energy storage cabinet 10 to fall into the water storage structure 20, thereby realizing the fire extinguishing of the energy storage cabinet 10.

[0040] In one embodiment, the elastic member 57 is a spring.

[0041] See also Figures 1 to 3 As shown, in one embodiment of the utility model, a trigger rod 532 is provided on the first component 53, and the trigger device 58 includes a power-on circuit 581 and a feedback switch 582 provided on the power-on circuit 581. When the disengagement mechanism 51 is in a disengaged state, under the elastic force of the elastic member 57, the trigger rod 532 contacts the feedback switch 582 and generates a trigger signal.

[0042] In this embodiment, when the disengagement mechanism 51 is in a disengaged state, that is, when the first component 53 is disengaged from the second component 54, under the elastic recovery force of the elastic member 57, the first component 53 moves horizontally away from the second component 54, and the trigger rod 532 on the first component 53 contacts the feedback switch 582 and generates a trigger signal.

[0043] It should be noted that the feedback switch 582 is connected to the system controller 90 through the power-on circuit 581. After the trigger rod 532 contacts the feedback switch 582, the feedback switch 582 can change from an open state to a closed state or from a closed state to an open state, and a trigger signal is generated by the change of the on-off state of the power-on circuit 581.

[0044] In one embodiment, the energy storage cabinet fire extinguishing system further includes a smoke alarm and a temperature alarm. When the energy storage cabinet 10 catches fire, both the smoke alarm device and the temperature alarm device may send out an alarm signal, and the fire fighting system of the energy storage cabinet 10 is activated. If the fire fighting system cannot effectively extinguish the fire within a preset time, the smoke alarm device can still detect smoke, and the temperature alarm device can still detect high temperature, the system controller 90 will control the shifting mechanism 30 to drop the energy storage cabinet 10 into the water storage structure 20, or when the staff observes that the fire cannot be extinguished, the system controller 90 is manually operated to control the shifting mechanism 30 to drop the energy storage cabinet 10 into the water storage structure 20.

[0045] See also Figure 1 and Figure 2 As shown, the utility model provides an energy storage power station, which includes: the above-mentioned fire extinguishing system for energy storage cabinets; a base 40; at least one energy storage cabinet 10, the energy storage cabinet 10 includes a plurality of battery modules, and the energy storage cabinet 10 is installed on the base 40.

[0046] In this embodiment, the energy storage cabinet 10 and the displacement mechanism 30 are both installed on the base 40. The fire extinguishing system for the energy storage cabinet of the energy storage power station has all the technical effects of the above-mentioned fire extinguishing system for the energy storage cabinet, which will not be described in detail here.

[0047] See also Figure 1 and Figure 2 As shown, in one embodiment of the utility model, the energy storage power station further includes a converter 60 , the energy storage cabinet 10 is electrically connected to the converter 60 via a cable 70 , and the automatic disconnection device 50 is installed on the energy storage cabinet 10 or the converter 60 .

[0048] In this embodiment, the energy storage cabinet 10 is electrically connected to the converter 60 via a cable 70, and the automatic detaching device 50 is installed on the energy storage cabinet 10 or the converter 60. When the automatic detaching device 50 is installed on the energy storage cabinet 10, the automatic detaching device 50 can detach the cable 70 from the connection position between the energy storage cabinet 10 and the converter 60. When the automatic detaching device 50 is installed on the converter 60, the automatic detaching device 50 can detach the cable 70 from the connection position between the energy storage cabinet 10 and the converter 60. The provision of the automatic detaching device 50 can disconnect the connection between the energy storage cabinet 10 and the converter 60, and prevent the energy storage cabinet 10 from bringing the converter 60 into the water pool when the shifting mechanism 30 causes the energy storage cabinet 10 to fall into the water storage structure 20.

[0049] like Figure 1 As shown, in one embodiment of the utility model, the base 40 includes an energy storage cabinet base 41 and an inverter base 42, the energy storage cabinet 10 is installed on the energy storage cabinet base 41, the inverter 60 is installed on the inverter base 42, and the shifting mechanism 30 is installed on the energy storage cabinet base 41.

[0050] In this embodiment, the energy storage cabinet 10 is installed on the top of the energy storage cabinet base 41, the inverter 60 is installed on the inverter base 42, the energy storage cabinet 10 and the inverter 60 are independently arranged, and the shifting mechanism 30 is installed on the energy storage cabinet base 41, which can prevent the energy storage cabinet 10 from colliding with the inverter 60 during movement and damaging the inverter 60 when the shifting mechanism 30 causes the energy storage cabinet 10 to fall into the water storage structure 20.

[0051] In one embodiment of the utility model, there are multiple energy storage cabinets 10, bases 40, converters 60 and shifting mechanisms 30. Multiple energy storage cabinets 10 are arranged in a one-to-one correspondence with multiple converters 60, multiple energy storage cabinet bases 41 are arranged in a one-to-one correspondence with multiple energy storage cabinets 10, multiple converters 60 are arranged in a one-to-one correspondence with multiple converter bases 42, and at least one shifting mechanism 30 is arranged on each energy storage cabinet base 41.

[0052] In this embodiment, an energy storage cabinet 10 is arranged on each energy storage cabinet base 41, an inverter 60 is arranged on each inverter base 42, and at least one shifting mechanism 30 is arranged on each energy storage cabinet base 41, which is used to make the energy storage cabinet 10 installed on the energy storage cabinet base 41 fall into the water storage structure 20.

[0053] like Figure 2 As shown, in one embodiment of the utility model, the energy storage cabinet 10 also includes an integrated battery cabinet 80 and an inverter 60, the automatic disconnection device 50 is installed on the energy storage cabinet 10, one end of the cable 70 is connected to the automatic disconnection device 50, and the other end of the cable 70 is connected to other equipment.

[0054] In this embodiment, the battery cabinet 80 and the converter 60 are integrally arranged, and the automatic disengagement device 50 is installed on the energy storage cabinet 10, and is used to disengage the cable 70 connected between the energy storage cabinet 10 and other equipment at the connection position, disconnect the energy storage cabinet 10 from the other equipment, and prevent the energy storage cabinet 10 from dropping other equipment connected thereto into the water storage structure 20 when the shifting mechanism 30 causes the energy storage cabinet 10 to fall into the water storage structure 20.

[0055] In one embodiment of the utility model, there are multiple bases 40, energy storage cabinets 10 and shifting mechanisms 30, multiple bases 40 and multiple energy storage cabinets 10 are arranged in one-to-one correspondence, and at least one shifting mechanism 30 is arranged on each base 40.

[0056] In this embodiment, an energy storage cabinet 10 is disposed on each base 40 , and at least one shifting mechanism 30 is disposed on each base 40 . The shifting mechanism 30 is used to make the energy storage cabinet 10 installed on the base 40 fall into the water storage structure 20 .

[0057] See also Figure 1 and Figure 2 As shown, in one embodiment of the present invention, the water storage structure 20 is constructed to cover the entire landing area of ​​the energy storage cabinet 10 , and the water in the water storage structure 20 can completely immerse the energy storage cabinet 10 .

[0058] In this embodiment, the water in the water storage structure 20 can completely immerse the energy storage cabinet 10, and the energy storage cabinet 10 is cooled by immersion, which has a better fire extinguishing and cooling effect, and can prevent the energy storage cabinet 10 from reigniting and prevent the fire from spreading.

[0059] It should be noted that the water capacity in the water storage structure 20 is capable of submerging multiple energy storage cabinets 10 .

[0060] In one embodiment of the utility model, the energy storage cabinet 10 also includes a fire protection system, which includes a detection module, a fire protection control module and a fire protection device. The detection module is used to detect the internal environmental parameters of the energy storage cabinet 10. The detection module and the fire protection device are electrically connected to the fire protection control module. When the fire protection condition of the fire protection device is met, the fire protection control module controls the fire protection device to extinguish the energy storage cabinet 10.

[0061] In the present embodiment, the detection module is used to detect the internal environmental parameters (such as temperature, smoke concentration, etc.) of the energy storage cabinet 10. The detection module feeds back the detection results to the fire control module in real time. When the detection module detects that the temperature inside the energy storage cabinet 10 is greater than a preset value, or the smoke concentration in the energy storage cabinet 10 reaches a preset value, that is, the fire-fighting condition of the fire-fighting device is met, at this time, the fire-fighting control module controls the fire-fighting device to start, so as to extinguish the energy storage cabinet 10.

[0062] In one embodiment, the fire fighting device can spray out gases such as heptafluoropropane, perfluorohexanone, etc. or spray water to achieve fire fighting of the energy storage cabinet 10 .

[0063] In one embodiment of the present invention, the detection module includes a particle concentration detection device and a temperature detection device connected to the fire control module.

[0064] In this embodiment, both the particle concentration detection device and the temperature detection device are communicatively connected to the fire control module. When the particle concentration detection device detects that the particle concentration in the energy storage cabinet 10 reaches a preset value, the particle concentration detection device sends a signal to the fire control module, and the fire control module controls the fire-fighting device to start. When the temperature detection device detects that the temperature in the energy storage cabinet 10 reaches a preset value, the temperature detection device sends a signal to the fire control module, and the fire control module controls the fire-fighting device to start.

[0065] It should be noted that the fire control module and the system controller 90 are independently provided, and the fire control module and the system controller 90 are communicatively connected, or the fire control module can be integrated into the system controller 90 .

[0066] From the above description, it can be seen that the above-mentioned embodiments of the utility model achieve the following technical effects: a system controller, a water storage structure and an automatic disconnection device are provided, and a plurality of battery modules are installed in the energy storage cabinet. When the battery cells of the battery modules are thermally runaway or short-circuited, causing the energy storage cabinet to catch fire, the automatic disconnection device is activated by the system controller to disconnect the cables between the energy storage cabinet and other equipment from the connection position, disconnecting the connection between the energy storage cabinet and other equipment, and then the energy storage cabinet is dropped into the water storage structure through the shifting mechanism. The water in the water storage structure can extinguish the fire and cool down the energy storage cabinet, thereby reducing the risk of secondary deflagration and explosion, and ensuring the life safety of personnel. In addition, the setting of the automatic disconnection device can disconnect the burning energy storage cabinet from other equipment in time, avoid the spread of fire and endanger the equipment connected to the energy storage cabinet, and reduce the loss of life and property.

[0067] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0068] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0069] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fire extinguishing system for an energy storage cabinet, characterized in that: include: A system controller (90) is communicatively connected to the fire protection system of the energy storage cabinet (10); Water storage structure (20); An automatic disengagement device (50), the automatic disengagement device (50) being communicatively connected to the system controller (90), and the automatic disengagement device (50) being capable of disengaging a cable (70) connected between the energy storage cabinet (10) and other equipment from a connection position; as well as A displacement mechanism (30) forms a matching relationship with the energy storage cabinet (10); the displacement mechanism (30) can cause the energy storage cabinet (10) to fall into the water storage structure (20) after the cable (70) is detached from the connection position; and the water in the water storage structure (20) can submerge at least a portion of the energy storage cabinet (10).

2. The fire extinguishing system for energy storage cabinet according to claim 1, characterized in that: The automatic disengagement device (50) comprises a disengagement mechanism (51), wherein the disengagement mechanism (51) has a fastened state and a disengaged state. When the disengagement mechanism (51) is in the fastened state, the energy storage cabinet (10) and other equipment are electrically connected via the cable (70). When the disengagement mechanism (51) is in the disengaged state, the cable (70) connected between the energy storage cabinet (10) and other equipment is disengaged from the connection position.

3. The fire extinguishing system for energy storage cabinet according to claim 2, characterized in that: The automatic disengagement device (50) further comprises an adjustment structure (52); the disengagement mechanism (51) comprises a first component (53) and a second component (54); the first component (53) has a first hook (55); the second component (54) has a second hook (56); and the adjustment structure (52) is capable of disengaging the first hook (55) from the second hook (56).

4. The fire extinguishing system for energy storage cabinet according to claim 3, characterized in that: The regulating structure (52) comprises an iron core (522) and an induction coil (521) wound around the outer periphery of the iron core (522); a magnetic structure (542) is arranged on the second member (54); when the induction coil (521) is energized, the polarity of the iron core (522) and the magnetic structure (542) are the same, so that the second member (54) moves in a direction away from the first member (53).

5. The fire extinguishing system for energy storage cabinet according to claim 3, characterized in that: The system controller (90) is connected in communication with the displacement mechanism (30); the automatic disengagement device (50) further comprises an elastic member (57) and a trigger device (58); the trigger device (58) is connected in communication with the system controller (90); when the disengagement mechanism (51) is in the disengaged state, under the elastic force of the elastic member (57), the first component (53) contacts the trigger device (58) to generate a trigger signal; the trigger signal enables the system controller (90) to control the displacement mechanism (30) to drop the energy storage cabinet (10) into the water storage structure (20).

6. The fire extinguishing system for energy storage cabinet according to claim 5, characterized in that: A trigger rod (532) is provided on the first component (53), and the trigger device (58) comprises an energized circuit (581) and a feedback switch (582) provided on the energized circuit (581). When the disengagement mechanism (51) is in the disengaged state, under the elastic force of the elastic member (57), the trigger rod (532) contacts the feedback switch (582) and generates the trigger signal.

7. An energy storage power station, characterized in that: include: The fire extinguishing system for an energy storage cabinet according to any one of claims 1 to 6; abutment(40); At least one energy storage cabinet (10), the energy storage cabinet (10) comprising a plurality of battery modules, the energy storage cabinet (10) being mounted on the base platform (40).

8. The energy storage power station according to claim 7, characterized in that: The energy storage power station further comprises a converter (60), the energy storage cabinet (10) is electrically connected to the converter (60) via the cable (70), and the automatic disconnection device (50) is installed on the energy storage cabinet (10) or the converter (60).

9. The energy storage power station according to claim 8, characterized in that: The base (40) comprises an energy storage cabinet base (41) and a converter base (42); the energy storage cabinet (10) is mounted on the energy storage cabinet base (41); the converter (60) is mounted on the converter base (42); and the shifting mechanism (30) is mounted on the energy storage cabinet base (41).

10. The energy storage power station according to claim 9, characterized in that: The energy storage cabinet (10), the base (40), the converter (60) and the shifting mechanism (30) are all multiple, the multiple energy storage cabinets (10) are arranged in a one-to-one correspondence with the multiple converters (60), the multiple energy storage cabinet bases (41) are arranged in a one-to-one correspondence with the multiple energy storage cabinets (10), the multiple converters (60) are arranged in a one-to-one correspondence with the multiple converter bases (42), and each energy storage cabinet base (41) is provided with at least one shifting mechanism (30).

11. The energy storage power station according to claim 7, characterized in that: The energy storage cabinet (10) further comprises an integrally arranged battery cabinet (80) and a converter (60); the automatic disconnecting device (50) is installed on the energy storage cabinet (10); one end of the cable (70) is connected to the automatic disconnecting device (50); and the other end of the cable (70) is connected to other equipment.

12. The energy storage power station according to claim 11, characterized in that: The base platform (40), the energy storage cabinet (10) and the shifting mechanism (30) are all multiple, the multiple base platforms (40) and the multiple energy storage cabinets (10) are arranged in a one-to-one correspondence, and at least one shifting mechanism (30) is arranged on each base platform (40).

13. The energy storage power station according to claim 7, characterized in that: The water storage structure (20) is constructed to cover the entire landing area of ​​the energy storage cabinet (10), and the water in the water storage structure (20) can completely immerse the energy storage cabinet (10).

14. The energy storage power station according to any one of claims 7 to 13, characterized in that: The energy storage cabinet (10) further comprises a fire protection system, the fire protection system comprising a detection module, a fire protection control module and a fire protection device, the detection module being used to detect internal environmental parameters of the energy storage cabinet (10), the detection module and the fire protection device being electrically connected to the fire protection control module, and when a fire protection condition of the fire protection device is reached, the fire protection control module controls the fire protection device to carry out fire protection on the energy storage cabinet (10).

15. The energy storage power station according to claim 14, characterized in that: The detection module includes a particle concentration detection device and a temperature detection device connected to the fire control module.

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